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  1. MariaDB Server
  2. MDEV-7090

binlog.binlog_checkpoint failed in buildbot on power8-vlp01 (hang on startup)




      So far it's been a one-time failure, but given the platform and problems associated with it, I find it suspicious, so I'll file it.

      The priority is to be raised if the problem occurs again.

      Or, maybe it's a duplicate of what Kristian has already analyzed, in this case please close it as such.

      10.0 revno 4478

      worker[4] mysql-test-run: WARNING: Timeout after mysql-test-run waited 180 seconds for the process [mysqld.1 - pid: 350, winpid: 350] to create a pid file.
      binlog.binlog_checkpoint 'row,xtradb'    w4 [ fail ]
              Test ended at 2014-11-11 23:57:50
      CURRENT_TEST: binlog.binlog_checkpoint
      Failed to start mysqld.1
      mysqltest failed but provided no output

      Here is the corresponding part of the error log:

      CURRENT_TEST: binlog.binlog_checkpoint
      141111 23:54:50 [Note] InnoDB: Using mutexes to ref count buffer pool pages
      2014-11-11 23:54:50 fffa3b16fe0 InnoDB: !!!!!!!! UNIV_DEBUG switched on !!!!!!!!!
      2014-11-11 23:54:50 fffa3b16fe0 InnoDB: !!!!!!!! UNIV_SYNC_DEBUG switched on !!!!!!!!!
      141111 23:54:50 [Note] InnoDB: The InnoDB memory heap is disabled
      141111 23:54:50 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins
      141111 23:54:50 [Note] InnoDB: GCC builtin __atomic_thread_fence() is used for memory barrier
      141111 23:54:50 [Note] InnoDB: Compressed tables use zlib 1.2.6
      141111 23:54:50 [Note] InnoDB: Using Linux native AIO
      141111 23:54:50 [Note] InnoDB: Not using CPU crc32 instructions
      141111 23:54:50 [Note] InnoDB: Initializing buffer pool, size = 8.0M
      141111 23:54:50 [Note] InnoDB: Completed initialization of buffer pool
      141111 23:54:50 [Note] InnoDB: Highest supported file format is Barracuda.
      CURRENT_TEST: binlog.binlog_checksum
      141111 23:57:50

      So, it looks like during startup InnoDB just stopped.

      The next line after 'Highest format' is supposed to be

      InnoDB: 128 rollback segment(s) are active.

      and in previous and next tests on that machine it only takes 1 second for InnoDB to proceed to this step, but not this time. This time it waited for 3 minutes, after which the test was interrupted.


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              svoj Sergey Vojtovich
              elenst Elena Stepanova
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